HAND/WRIST NERVES Flashcards
Flexor Carpi Radialis (FCR)
Median C6-7
Flexor Digitorum Superficialis (FDS)
Median C8-T1
Flexor Digitorum Profundus (FDP)
Digits 2-3 Median C8-T1
Digits 4-5 Ulnar C8-T1
Lumbricals
1-2 for digits 2-3 Median C8-T1
3-4 for digits 4-5 Ulnar C8-T1
Flexor Pollicis Brevis
Superficial head: Median C8-T1
Deep head: Ulnar C8-T1
Flexor Carpi Ulnaris (FCU)
Ulnar C7-T1
Flexor Pollicis Longus
Median C8-T1
Palmar interossei
Ulnar C8-T1
Dorsal interossei
Ulnar C8-T1
Extensor Carpi Radialis (ECR)
Radial N
ECR Longus C6-7
ECR Brevis C7-8
Extensor Carpi Ulnaris (ECU)
Radial N C7-8
Extensor Digitorum
Extensor Indicis
Extensor Digiti Minimi
Radial N C7-8
Extensor Pollicis Brevis
Radial C7-8
Abductor Pollicis Longus
Radial N C7-8
___________ weakness in ECR longus with C5-6 damage
Slight
ECR longus (Radial C6-7)
___________ weakness in FCR with C5-6 damage
Slight
FCR (Median C6-7)
Adductor Pollicis
1st Dorsal Interossei
Ulnar C8-T1
Opponens Pollicis
Median C8-T1
Opponens Digiti Minimi
Ulnar C8-T1
Abductor Pollicis Brevis
Median C8-T1
Extensor Pollicis Longus (EPL)
Radial C7-8
________ weakness in radial N muscles, especially distally with C8-T1 damage
Partial
(ECR Longus C6-7) ECR Brevis C7-8 ECU C7-8 Ext Digitorum, Indicis, Digiti Minimi C7-8 EP Brevis C7-8 EP Longus C7-8 AbPL C7-8
_________ weakness in pronators (quadratus) with damage to C8-T1
Slight
Median N
Pronator teres C6-7
Pronators quadratus C7-8
_________ weakness in triceps with damage to C8-T1
Slight
Triceps Radial C6-8
_______ weakness in pecs sternal fibers with damage to C8-T1
Major
Pecs sternal fibers: Medial pectoral N C6-T1
